Additional Product Features:LED lights use 90% less energy If one bulb burns out, the rest will stay lit Fully assembled decoration comes in 1 piece For indoor use only Once the energy saving battery pack is turned on the lights will work for 6 hours and then switch off for 18 hours, cycle repeats daily Requires 3 "AA" batteries (not included) Comes with 1 suction cup for hanging Non-replaceable bulbs Cannot be connected to other lighted items